279730960

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18307}}^1$

素因数の和:18511

約数の個数: 40

約数和(自身を含む): 653815296

約数和(自身を除く): 374084336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 15280, 18307, 36614, 73228, 91535, 146456, 183070, 292912, 366140, 732280, 1464560, 3496637, 6993274, 13986548, 17483185, 27973096, 34966370, 55946192, 69932740, 139865480, 279730960]

約数ペア:

[(1, 279730960), (2, 139865480), (4, 69932740), (5, 55946192), (8, 34966370), (10, 27973096), (16, 17483185), (20, 13986548), (40, 6993274), (80, 3496637), (191, 1464560), (382, 732280), (764, 366140), (955, 292912), (1528, 183070), (1910, 146456), (3056, 91535), (3820, 73228), (7640, 36614), (15280, 18307)]